--- /dev/null
+/*
+ * Intel Skylake I2S Machine Driver
+ *
+ * Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
+ *
+ * Modified from:
+ * Intel Broadwell Wildcatpoint SST Audio
+ *
+ * Copyright (C) 2013, Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include <sound/pcm_params.h>
+#include "../../codecs/rt286.h"
+
+static struct snd_soc_jack skylake_headset;
+/* Headset jack detection DAPM pins */
+static struct snd_soc_jack_pin skylake_headset_pins[] = {
+ {
+ .pin = "Mic Jack",
+ .mask = SND_JACK_MICROPHONE,
+ },
+ {
+ .pin = "Headphone Jack",
+ .mask = SND_JACK_HEADPHONE,
+ },
+};
+
+static const struct snd_kcontrol_new skylake_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Speaker"),
+ SOC_DAPM_PIN_SWITCH("Headphone Jack"),
+ SOC_DAPM_PIN_SWITCH("Mic Jack"),
+};
+
+static const struct snd_soc_dapm_widget skylake_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_MIC("Mic Jack", NULL),
+ SND_SOC_DAPM_MIC("DMIC2", NULL),
+ SND_SOC_DAPM_MIC("SoC DMIC", NULL),
+};
+
+static const struct snd_soc_dapm_route skylake_rt286_map[] = {
+ /* speaker */
+ {"Speaker", NULL, "SPOR"},
+ {"Speaker", NULL, "SPOL"},
+
+ /* HP jack connectors - unknown if we have jack deteck */
+ {"Headphone Jack", NULL, "HPO Pin"},
+
+ /* other jacks */
+ {"MIC1", NULL, "Mic Jack"},
+
+ /* digital mics */
+ {"DMIC1 Pin", NULL, "DMIC2"},
+ {"DMIC AIF", NULL, "SoC DMIC"},
+
+ /* CODEC BE connections */
+ { "AIF1 Playback", NULL, "ssp0 Tx"},
+ { "ssp0 Tx", NULL, "codec0_out"},
+ { "ssp0 Tx", NULL, "codec1_out"},
+
+ { "codec0_in", NULL, "ssp0 Rx" },
+ { "codec1_in", NULL, "ssp0 Rx" },
+ { "ssp0 Rx", NULL, "AIF1 Capture" },
+
+ { "dmic01_hifi", NULL, "DMIC01 Rx" },
+ { "DMIC01 Rx", NULL, "Capture" },
+
+ { "hif1", NULL, "iDisp Tx"},
+ { "iDisp Tx", NULL, "iDisp_out"},
+
+};
+
+static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+ int ret;
+
+ ret = snd_soc_card_jack_new(rtd->card, "Headset",
+ SND_JACK_HEADSET | SND_JACK_BTN_0,
+ &skylake_headset,
+ skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
+
+ if (ret)
+ return ret;
+
+ rt286_mic_detect(codec, &skylake_headset);
+
+ return 0;
+}
+
+
+static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_interval *rate = hw_param_interval(params,
+ SNDRV_PCM_HW_PARAM_RATE);
+ struct snd_interval *channels = hw_param_interval(params,
+ SNDRV_PCM_HW_PARAM_CHANNELS);
+
+ /* The output is 48KHz, stereo, 16bits */
+ rate->min = rate->max = 48000;
+ channels->min = channels->max = 2;
+ params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
+
+ return 0;
+}
+
+static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
+
+ return ret;
+}
+
+static struct snd_soc_ops skylake_rt286_ops = {
+ .hw_params = skylake_rt286_hw_params,
+};
+
+/* skylake digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link skylake_rt286_dais[] = {
+ /* Front End DAI links */
+ {
+ .name = "Skl Audio Port",
+ .stream_name = "Audio",
+ .cpu_dai_name = "System Pin",
+ .platform_name = "0000:00:1f.3",
+ .nonatomic = 1,
+ .dynamic = 1,
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST,
+ SND_SOC_DPCM_TRIGGER_POST
+ },
+ .dpcm_playback = 1,
+ },
+ {
+ .name = "Skl Audio Capture Port",
+ .stream_name = "Audio Record",
+ .cpu_dai_name = "System Pin",
+ .platform_name = "0000:00:1f.3",
+ .nonatomic = 1,
+ .dynamic = 1,
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST,
+ SND_SOC_DPCM_TRIGGER_POST
+ },
+ .dpcm_capture = 1,
+ },
+ {
+ .name = "Skl Audio Reference cap",
+ .stream_name = "refcap",
+ .cpu_dai_name = "Reference Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:1f.3",
+ .init = NULL,
+ .dpcm_capture = 1,
+ .ignore_suspend = 1,
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+
+ /* Back End DAI links */
+ {
+ /* SSP0 - Codec */
+ .name = "SSP0-Codec",
+ .be_id = 0,
+ .cpu_dai_name = "SSP0 Pin",
+ .platform_name = "0000:00:1f.3",
+ .no_pcm = 1,
+ .codec_name = "i2c-INT343A:00",
+ .codec_dai_name = "rt286-aif1",
+ .init = skylake_rt286_codec_init,
+ .dai_fmt = SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ .ignore_suspend = 1,
+ .ignore_pmdown_time = 1,
+ .be_hw_params_fixup = skylake_ssp0_fixup,
+ .ops = &skylake_rt286_ops,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ },
+ {
+ .name = "dmic01",
+ .be_id = 1,
+ .cpu_dai_name = "DMIC01 Pin",
+ .codec_name = "dmic-codec",
+ .codec_dai_name = "dmic-hifi",
+ .platform_name = "0000:00:1f.3",
+ .ignore_suspend = 1,
+ .dpcm_capture = 1,
+ .no_pcm = 1,
+ },
+};
+
+/* skylake audio machine driver for SPT + RT286S */
+static struct snd_soc_card skylake_rt286 = {
+ .name = "skylake-rt286",
+ .owner = THIS_MODULE,
+ .dai_link = skylake_rt286_dais,
+ .num_links = ARRAY_SIZE(skylake_rt286_dais),
+ .controls = skylake_controls,
+ .num_controls = ARRAY_SIZE(skylake_controls),
+ .dapm_widgets = skylake_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
+ .dapm_routes = skylake_rt286_map,
+ .num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
+ .fully_routed = true,
+};
+
+static int skylake_audio_probe(struct platform_device *pdev)
+{
+ skylake_rt286.dev = &pdev->dev;
+
+ return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
+}
+
+static struct platform_driver skylake_audio = {
+ .probe = skylake_audio_probe,
+ .driver = {
+ .name = "skl_alc286s_i2s",
+ },
+};
+
+module_platform_driver(skylake_audio)
+
+/* Module information */
+MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
+MODULE_DESCRIPTION("Intel SST Audio for Skylake");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:skl_alc286s_i2s");
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "skl.h"
+#include "skl-topology.h"
#define HDA_MONO 1
#define HDA_STEREO 2
dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
ret = pm_runtime_get_sync(dai->dev);
- if (ret)
+ if (ret < 0)
return ret;
stream = snd_hdac_ext_stream_assign(ebus, substream,
struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
+ struct skl_pipe_params p_params = {0};
+ struct skl_module_cfg *m_cfg;
int ret, dma_id;
dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
dma_id = hdac_stream(stream)->stream_tag - 1;
dev_dbg(dai->dev, "dma_id=%d\n", dma_id);
+ p_params.s_fmt = snd_pcm_format_width(params_format(params));
+ p_params.ch = params_channels(params);
+ p_params.s_freq = params_rate(params);
+ p_params.host_dma_id = dma_id;
+ p_params.stream = substream->stream;
+
+ m_cfg = skl_tplg_fe_get_cpr_module(dai, p_params.stream);
+ if (m_cfg)
+ skl_tplg_update_pipe_params(dai->dev, m_cfg, &p_params);
+
return 0;
}
return skl_substream_free_pages(ebus_to_hbus(ebus), substream);
}
+static int skl_be_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct skl_pipe_params p_params = {0};
+
+ p_params.s_fmt = snd_pcm_format_width(params_format(params));
+ p_params.ch = params_channels(params);
+ p_params.s_freq = params_rate(params);
+ p_params.stream = substream->stream;
+ skl_tplg_be_update_params(dai, &p_params);
+
+ return 0;
+}
+
+static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd,
+ struct snd_soc_dai *dai)
+{
+ struct skl *skl = get_skl_ctx(dai->dev);
+ struct skl_sst *ctx = skl->skl_sst;
+ struct skl_module_cfg *mconfig;
+
+ mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
+ if (!mconfig)
+ return -EIO;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ return skl_run_pipe(ctx, mconfig->pipe);
+
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ return skl_stop_pipe(ctx, mconfig->pipe);
+
+ default:
+ return 0;
+ }
+}
+
static int skl_link_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
struct skl_dma_params *dma_params;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
- int dma_id;
+ struct skl_pipe_params p_params = {0};
- pr_debug("%s\n", __func__);
link_dev = snd_hdac_ext_stream_assign(ebus, substream,
HDAC_EXT_STREAM_TYPE_LINK);
if (!link_dev)
if (dma_params)
dma_params->stream_tag = hdac_stream(link_dev)->stream_tag;
snd_soc_dai_set_dma_data(codec_dai, substream, (void *)dma_params);
- dma_id = hdac_stream(link_dev)->stream_tag - 1;
+
+ p_params.s_fmt = snd_pcm_format_width(params_format(params));
+ p_params.ch = params_channels(params);
+ p_params.s_freq = params_rate(params);
+ p_params.stream = substream->stream;
+ p_params.link_dma_id = hdac_stream(link_dev)->stream_tag - 1;
+
+ skl_tplg_be_update_params(dai, &p_params);
return 0;
}
unsigned int format_val = 0;
struct skl_dma_params *dma_params;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
- struct snd_pcm_hw_params *params;
- struct snd_interval *channels, *rate;
struct hdac_ext_link *link;
- dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
if (link_dev->link_prepared) {
dev_dbg(dai->dev, "already stream is prepared - returning\n");
return 0;
}
- params = devm_kzalloc(dai->dev, sizeof(*params), GFP_KERNEL);
- if (params == NULL)
- return -ENOMEM;
-
- channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
- channels->min = channels->max = substream->runtime->channels;
- rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
- rate->min = rate->max = substream->runtime->rate;
- snd_mask_set(¶ms->masks[SNDRV_PCM_HW_PARAM_FORMAT -
- SNDRV_PCM_HW_PARAM_FIRST_MASK],
- substream->runtime->format);
-
dma_params = (struct skl_dma_params *)
snd_soc_dai_get_dma_data(codec_dai, substream);
return 0;
}
-static int skl_hda_be_startup(struct snd_pcm_substream *substream,
+static int skl_be_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
return pm_runtime_get_sync(dai->dev);
}
-static void skl_hda_be_shutdown(struct snd_pcm_substream *substream,
+static void skl_be_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
pm_runtime_mark_last_busy(dai->dev);
.prepare = skl_pcm_prepare,
.hw_params = skl_pcm_hw_params,
.hw_free = skl_pcm_hw_free,
+ .trigger = skl_pcm_trigger,
};
static struct snd_soc_dai_ops skl_dmic_dai_ops = {
- .startup = skl_hda_be_startup,
- .shutdown = skl_hda_be_shutdown,
+ .startup = skl_be_startup,
+ .hw_params = skl_be_hw_params,
+ .shutdown = skl_be_shutdown,
+};
+
+static struct snd_soc_dai_ops skl_be_ssp_dai_ops = {
+ .startup = skl_be_startup,
+ .hw_params = skl_be_hw_params,
+ .shutdown = skl_be_shutdown,
};
static struct snd_soc_dai_ops skl_link_dai_ops = {
- .startup = skl_hda_be_startup,
+ .startup = skl_be_startup,
.prepare = skl_link_pcm_prepare,
.hw_params = skl_link_hw_params,
.hw_free = skl_link_hw_free,
.trigger = skl_link_pcm_trigger,
- .shutdown = skl_hda_be_shutdown,
+ .shutdown = skl_be_shutdown,
};
static struct snd_soc_dai_driver skl_platform_dai[] = {
},
},
/* BE CPU Dais */
+{
+ .name = "SSP0 Pin",
+ .ops = &skl_be_ssp_dai_ops,
+ .playback = {
+ .stream_name = "ssp0 Tx",
+ .channels_min = HDA_STEREO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .capture = {
+ .stream_name = "ssp0 Rx",
+ .channels_min = HDA_STEREO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+},
{
.name = "iDisp Pin",
.ops = &skl_link_dai_ops,
return 0;
}
-static int skl_pcm_trigger(struct snd_pcm_substream *substream,
+static int skl_coupled_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct hdac_ext_bus *ebus = get_bus_ctx(substream);
return 0;
}
-static int skl_dsp_trigger(struct snd_pcm_substream *substream,
+static int skl_decoupled_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct hdac_ext_bus *ebus = get_bus_ctx(substream);
struct hdac_ext_bus *ebus = get_bus_ctx(substream);
if (ebus->ppcap)
- return skl_dsp_trigger(substream, cmd);
+ return skl_decoupled_trigger(substream, cmd);
else
- return skl_pcm_trigger(substream, cmd);
+ return skl_coupled_trigger(substream, cmd);
}
/* calculate runtime delay from LPIB */
return retval;
}
+static int skl_platform_soc_probe(struct snd_soc_platform *platform)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(platform->dev);
+
+ if (ebus->ppcap)
+ return skl_tplg_init(platform, ebus);
+
+ return 0;
+}
static struct snd_soc_platform_driver skl_platform_drv = {
+ .probe = skl_platform_soc_probe,
.ops = &skl_platform_ops,
.pcm_new = skl_pcm_new,
.pcm_free = skl_pcm_free,
int skl_platform_register(struct device *dev)
{
int ret;
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
+ struct skl *skl = ebus_to_skl(ebus);
+
+ INIT_LIST_HEAD(&skl->ppl_list);
+ INIT_LIST_HEAD(&skl->dapm_path_list);
ret = snd_soc_register_platform(dev, &skl_platform_drv);
if (ret) {
--- /dev/null
+/*
+ * skl-topology.c - Implements Platform component ALSA controls/widget
+ * handlers.
+ *
+ * Copyright (C) 2014-2015 Intel Corp
+ * Author: Jeeja KP <jeeja.kp@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/firmware.h>
+#include <sound/soc.h>
+#include <sound/soc-topology.h>
+#include "skl-sst-dsp.h"
+#include "skl-sst-ipc.h"
+#include "skl-topology.h"
+#include "skl.h"
+#include "skl-tplg-interface.h"
+
+#define SKL_CH_FIXUP_MASK (1 << 0)
+#define SKL_RATE_FIXUP_MASK (1 << 1)
+#define SKL_FMT_FIXUP_MASK (1 << 2)
+
+/*
+ * SKL DSP driver modelling uses only few DAPM widgets so for rest we will
+ * ignore. This helpers checks if the SKL driver handles this widget type
+ */
+static int is_skl_dsp_widget_type(struct snd_soc_dapm_widget *w)
+{
+ switch (w->id) {
+ case snd_soc_dapm_dai_link:
+ case snd_soc_dapm_dai_in:
+ case snd_soc_dapm_aif_in:
+ case snd_soc_dapm_aif_out:
+ case snd_soc_dapm_dai_out:
+ case snd_soc_dapm_switch:
+ return false;
+ default:
+ return true;
+ }
+}
+
+/*
+ * Each pipelines needs memory to be allocated. Check if we have free memory
+ * from available pool. Then only add this to pool
+ * This is freed when pipe is deleted
+ * Note: DSP does actual memory management we only keep track for complete
+ * pool
+ */
+static bool skl_tplg_alloc_pipe_mem(struct skl *skl,
+ struct skl_module_cfg *mconfig)
+{
+ struct skl_sst *ctx = skl->skl_sst;
+
+ if (skl->resource.mem + mconfig->pipe->memory_pages >
+ skl->resource.max_mem) {
+ dev_err(ctx->dev,
+ "%s: module_id %d instance %d\n", __func__,
+ mconfig->id.module_id,
+ mconfig->id.instance_id);
+ dev_err(ctx->dev,
+ "exceeds ppl memory available %d mem %d\n",
+ skl->resource.max_mem, skl->resource.mem);
+ return false;
+ }
+
+ skl->resource.mem += mconfig->pipe->memory_pages;
+ return true;
+}
+
+/*
+ * Pipeline needs needs DSP CPU resources for computation, this is
+ * quantified in MCPS (Million Clocks Per Second) required for module/pipe
+ *
+ * Each pipelines needs mcps to be allocated. Check if we have mcps for this
+ * pipe. This adds the mcps to driver counter
+ * This is removed on pipeline delete
+ */
+static bool skl_tplg_alloc_pipe_mcps(struct skl *skl,
+ struct skl_module_cfg *mconfig)
+{
+ struct skl_sst *ctx = skl->skl_sst;
+
+ if (skl->resource.mcps + mconfig->mcps > skl->resource.max_mcps) {
+ dev_err(ctx->dev,
+ "%s: module_id %d instance %d\n", __func__,
+ mconfig->id.module_id, mconfig->id.instance_id);
+ dev_err(ctx->dev,
+ "exceeds ppl memory available %d > mem %d\n",
+ skl->resource.max_mcps, skl->resource.mcps);
+ return false;
+ }
+
+ skl->resource.mcps += mconfig->mcps;
+ return true;
+}
+
+/*
+ * Free the mcps when tearing down
+ */
+static void
+skl_tplg_free_pipe_mcps(struct skl *skl, struct skl_module_cfg *mconfig)
+{
+ skl->resource.mcps -= mconfig->mcps;
+}
+
+/*
+ * Free the memory when tearing down
+ */
+static void
+skl_tplg_free_pipe_mem(struct skl *skl, struct skl_module_cfg *mconfig)
+{
+ skl->resource.mem -= mconfig->pipe->memory_pages;
+}
+
+
+static void skl_dump_mconfig(struct skl_sst *ctx,
+ struct skl_module_cfg *mcfg)
+{
+ dev_dbg(ctx->dev, "Dumping config\n");
+ dev_dbg(ctx->dev, "Input Format:\n");
+ dev_dbg(ctx->dev, "channels = %d\n", mcfg->in_fmt.channels);
+ dev_dbg(ctx->dev, "s_freq = %d\n", mcfg->in_fmt.s_freq);
+ dev_dbg(ctx->dev, "ch_cfg = %d\n", mcfg->in_fmt.ch_cfg);
+ dev_dbg(ctx->dev, "valid bit depth = %d\n",
+ mcfg->in_fmt.valid_bit_depth);
+ dev_dbg(ctx->dev, "Output Format:\n");
+ dev_dbg(ctx->dev, "channels = %d\n", mcfg->out_fmt.channels);
+ dev_dbg(ctx->dev, "s_freq = %d\n", mcfg->out_fmt.s_freq);
+ dev_dbg(ctx->dev, "valid bit depth = %d\n",
+ mcfg->out_fmt.valid_bit_depth);
+ dev_dbg(ctx->dev, "ch_cfg = %d\n", mcfg->out_fmt.ch_cfg);
+}
+
+static void skl_tplg_update_params(struct skl_module_fmt *fmt,
+ struct skl_pipe_params *params, int fixup)
+{
+ if (fixup & SKL_RATE_FIXUP_MASK)
+ fmt->s_freq = params->s_freq;
+ if (fixup & SKL_CH_FIXUP_MASK)
+ fmt->channels = params->ch;
+ if (fixup & SKL_FMT_FIXUP_MASK)
+ fmt->valid_bit_depth = params->s_fmt;
+}
+
+/*
+ * A pipeline may have modules which impact the pcm parameters, like SRC,
+ * channel converter, format converter.
+ * We need to calculate the output params by applying the 'fixup'
+ * Topology will tell driver which type of fixup is to be applied by
+ * supplying the fixup mask, so based on that we calculate the output
+ *
+ * Now In FE the pcm hw_params is source/target format. Same is applicable
+ * for BE with its hw_params invoked.
+ * here based on FE, BE pipeline and direction we calculate the input and
+ * outfix and then apply that for a module
+ */
+static void skl_tplg_update_params_fixup(struct skl_module_cfg *m_cfg,
+ struct skl_pipe_params *params, bool is_fe)
+{
+ int in_fixup, out_fixup;
+ struct skl_module_fmt *in_fmt, *out_fmt;
+
+ in_fmt = &m_cfg->in_fmt;
+ out_fmt = &m_cfg->out_fmt;
+
+ if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ if (is_fe) {
+ in_fixup = m_cfg->params_fixup;
+ out_fixup = (~m_cfg->converter) &
+ m_cfg->params_fixup;
+ } else {
+ out_fixup = m_cfg->params_fixup;
+ in_fixup = (~m_cfg->converter) &
+ m_cfg->params_fixup;
+ }
+ } else {
+ if (is_fe) {
+ out_fixup = m_cfg->params_fixup;
+ in_fixup = (~m_cfg->converter) &
+ m_cfg->params_fixup;
+ } else {
+ in_fixup = m_cfg->params_fixup;
+ out_fixup = (~m_cfg->converter) &
+ m_cfg->params_fixup;
+ }
+ }
+
+ skl_tplg_update_params(in_fmt, params, in_fixup);
+ skl_tplg_update_params(out_fmt, params, out_fixup);
+}
+
+/*
+ * A module needs input and output buffers, which are dependent upon pcm
+ * params, so once we have calculate params, we need buffer calculation as
+ * well.
+ */
+static void skl_tplg_update_buffer_size(struct skl_sst *ctx,
+ struct skl_module_cfg *mcfg)
+{
+ int multiplier = 1;
+
+ if (mcfg->m_type == SKL_MODULE_TYPE_SRCINT)
+ multiplier = 5;
+
+ mcfg->ibs = (mcfg->in_fmt.s_freq / 1000) *
+ (mcfg->in_fmt.channels) *
+ (mcfg->in_fmt.bit_depth >> 3) *
+ multiplier;
+
+ mcfg->obs = (mcfg->out_fmt.s_freq / 1000) *
+ (mcfg->out_fmt.channels) *
+ (mcfg->out_fmt.bit_depth >> 3) *
+ multiplier;
+}
+
+static void skl_tplg_update_module_params(struct snd_soc_dapm_widget *w,
+ struct skl_sst *ctx)
+{
+ struct skl_module_cfg *m_cfg = w->priv;
+ struct skl_pipe_params *params = m_cfg->pipe->p_params;
+ int p_conn_type = m_cfg->pipe->conn_type;
+ bool is_fe;
+
+ if (!m_cfg->params_fixup)
+ return;
+
+ dev_dbg(ctx->dev, "Mconfig for widget=%s BEFORE updation\n",
+ w->name);
+
+ skl_dump_mconfig(ctx, m_cfg);
+
+ if (p_conn_type == SKL_PIPE_CONN_TYPE_FE)
+ is_fe = true;
+ else
+ is_fe = false;
+
+ skl_tplg_update_params_fixup(m_cfg, params, is_fe);
+ skl_tplg_update_buffer_size(ctx, m_cfg);
+
+ dev_dbg(ctx->dev, "Mconfig for widget=%s AFTER updation\n",
+ w->name);
+
+ skl_dump_mconfig(ctx, m_cfg);
+}
+
+/*
+ * A pipe can have multiple modules, each of them will be a DAPM widget as
+ * well. While managing a pipeline we need to get the list of all the
+ * widgets in a pipelines, so this helper - skl_tplg_get_pipe_widget() helps
+ * to get the SKL type widgets in that pipeline
+ */
+static int skl_tplg_alloc_pipe_widget(struct device *dev,
+ struct snd_soc_dapm_widget *w, struct skl_pipe *pipe)
+{
+ struct skl_module_cfg *src_module = NULL;
+ struct snd_soc_dapm_path *p = NULL;
+ struct skl_pipe_module *p_module = NULL;
+
+ p_module = devm_kzalloc(dev, sizeof(*p_module), GFP_KERNEL);
+ if (!p_module)
+ return -ENOMEM;
+
+ p_module->w = w;
+ list_add_tail(&p_module->node, &pipe->w_list);
+
+ snd_soc_dapm_widget_for_each_sink_path(w, p) {
+ if ((p->sink->priv == NULL)
+ && (!is_skl_dsp_widget_type(w)))
+ continue;
+
+ if ((p->sink->priv != NULL) && p->connect
+ && is_skl_dsp_widget_type(p->sink)) {
+
+ src_module = p->sink->priv;
+ if (pipe->ppl_id == src_module->pipe->ppl_id)
+ skl_tplg_alloc_pipe_widget(dev,
+ p->sink, pipe);
+ }
+ }
+ return 0;
+}
+
+/*
+ * Inside a pipe instance, we can have various modules. These modules need
+ * to instantiated in DSP by invoking INIT_MODULE IPC, which is achieved by
+ * skl_init_module() routine, so invoke that for all modules in a pipeline
+ */
+static int
+skl_tplg_init_pipe_modules(struct skl *skl, struct skl_pipe *pipe)
+{
+ struct skl_pipe_module *w_module;
+ struct snd_soc_dapm_widget *w;
+ struct skl_module_cfg *mconfig;
+ struct skl_sst *ctx = skl->skl_sst;
+ int ret = 0;
+
+ list_for_each_entry(w_module, &pipe->w_list, node) {
+ w = w_module->w;
+ mconfig = w->priv;
+
+ /* check resource available */
+ if (!skl_tplg_alloc_pipe_mcps(skl, mconfig))
+ return -ENOMEM;
+
+ /*
+ * apply fix/conversion to module params based on
+ * FE/BE params
+ */
+ skl_tplg_update_module_params(w, ctx);
+ ret = skl_init_module(ctx, mconfig, NULL);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+/*
+ * Mixer module represents a pipeline. So in the Pre-PMU event of mixer we
+ * need create the pipeline. So we do following:
+ * - check the resources
+ * - Create the pipeline
+ * - Initialize the modules in pipeline
+ * - finally bind all modules together
+ */
+static int skl_tplg_mixer_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w,
+ struct skl *skl)
+{
+ int ret;
+ struct skl_module_cfg *mconfig = w->priv;
+ struct skl_pipe_module *w_module;
+ struct skl_pipe *s_pipe = mconfig->pipe;
+ struct skl_module_cfg *src_module = NULL, *dst_module;
+ struct skl_sst *ctx = skl->skl_sst;
+
+ /* check resource available */
+ if (!skl_tplg_alloc_pipe_mcps(skl, mconfig))
+ return -EBUSY;
+
+ if (!skl_tplg_alloc_pipe_mem(skl, mconfig))
+ return -ENOMEM;
+
+ /*
+ * Create a list of modules for pipe.
+ * This list contains modules from source to sink
+ */
+ ret = skl_create_pipeline(ctx, mconfig->pipe);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * we create a w_list of all widgets in that pipe. This list is not
+ * freed on PMD event as widgets within a pipe are static. This
+ * saves us cycles to get widgets in pipe every time.
+ *
+ * So if we have already initialized all the widgets of a pipeline
+ * we skip, so check for list_empty and create the list if empty
+ */
+ if (list_empty(&s_pipe->w_list)) {
+ ret = skl_tplg_alloc_pipe_widget(ctx->dev, w, s_pipe);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* Init all pipe modules from source to sink */
+ ret = skl_tplg_init_pipe_modules(skl, s_pipe);
+ if (ret < 0)
+ return ret;
+
+ /* Bind modules from source to sink */
+ list_for_each_entry(w_module, &s_pipe->w_list, node) {
+ dst_module = w_module->w->priv;
+
+ if (src_module == NULL) {
+ src_module = dst_module;
+ continue;
+ }
+
+ ret = skl_bind_modules(ctx, src_module, dst_module);
+ if (ret < 0)
+ return ret;
+
+ src_module = dst_module;
+ }
+
+ return 0;
+}
+
+/*
+ * A PGA represents a module in a pipeline. So in the Pre-PMU event of PGA
+ * we need to do following:
+ * - Bind to sink pipeline
+ * Since the sink pipes can be running and we don't get mixer event on
+ * connect for already running mixer, we need to find the sink pipes
+ * here and bind to them. This way dynamic connect works.
+ * - Start sink pipeline, if not running
+ * - Then run current pipe
+ */
+static int skl_tplg_pga_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w,
+ struct skl *skl)
+{
+ struct snd_soc_dapm_path *p;
+ struct skl_dapm_path_list *path_list;
+ struct snd_soc_dapm_widget *source, *sink;
+ struct skl_module_cfg *src_mconfig, *sink_mconfig;
+ struct skl_sst *ctx = skl->skl_sst;
+ int ret = 0;
+
+ source = w;
+ src_mconfig = source->priv;
+
+ /*
+ * find which sink it is connected to, bind with the sink,
+ * if sink is not started, start sink pipe first, then start
+ * this pipe
+ */
+ snd_soc_dapm_widget_for_each_source_path(w, p) {
+ if (!p->connect)
+ continue;
+
+ dev_dbg(ctx->dev, "%s: src widget=%s\n", __func__, w->name);
+ dev_dbg(ctx->dev, "%s: sink widget=%s\n", __func__, p->sink->name);
+
+ /*
+ * here we will check widgets in sink pipelines, so that
+ * can be any widgets type and we are only interested if
+ * they are ones used for SKL so check that first
+ */
+ if ((p->sink->priv != NULL) &&
+ is_skl_dsp_widget_type(p->sink)) {
+
+ sink = p->sink;
+ src_mconfig = source->priv;
+ sink_mconfig = sink->priv;
+
+ /* Bind source to sink, mixin is always source */
+ ret = skl_bind_modules(ctx, src_mconfig, sink_mconfig);
+ if (ret)
+ return ret;
+
+ /* Start sinks pipe first */
+ if (sink_mconfig->pipe->state != SKL_PIPE_STARTED) {
+ ret = skl_run_pipe(ctx, sink_mconfig->pipe);
+ if (ret)
+ return ret;
+ }
+
+ path_list = kzalloc(
+ sizeof(struct skl_dapm_path_list),
+ GFP_KERNEL);
+ if (path_list == NULL)
+ return -ENOMEM;
+
+ /* Add connected path to one global list */
+ path_list->dapm_path = p;
+ list_add_tail(&path_list->node, &skl->dapm_path_list);
+ break;
+ }
+ }
+
+ /* Start source pipe last after starting all sinks */
+ ret = skl_run_pipe(ctx, src_mconfig->pipe);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+/*
+ * in the Post-PMU event of mixer we need to do following:
+ * - Check if this pipe is running
+ * - if not, then
+ * - bind this pipeline to its source pipeline
+ * if source pipe is already running, this means it is a dynamic
+ * connection and we need to bind only to that pipe
+ * - start this pipeline
+ */
+static int skl_tplg_mixer_dapm_post_pmu_event(struct snd_soc_dapm_widget *w,
+ struct skl *skl)
+{
+ int ret = 0;
+ struct snd_soc_dapm_path *p;
+ struct snd_soc_dapm_widget *source, *sink;
+ struct skl_module_cfg *src_mconfig, *sink_mconfig;
+ struct skl_sst *ctx = skl->skl_sst;
+ int src_pipe_started = 0;
+
+ sink = w;
+ sink_mconfig = sink->priv;
+
+ /*
+ * If source pipe is already started, that means source is driving
+ * one more sink before this sink got connected, Since source is
+ * started, bind this sink to source and start this pipe.
+ */
+ snd_soc_dapm_widget_for_each_sink_path(w, p) {
+ if (!p->connect)
+ continue;
+
+ dev_dbg(ctx->dev, "sink widget=%s\n", w->name);
+ dev_dbg(ctx->dev, "src widget=%s\n", p->source->name);
+
+ /*
+ * here we will check widgets in sink pipelines, so that
+ * can be any widgets type and we are only interested if
+ * they are ones used for SKL so check that first
+ */
+ if ((p->source->priv != NULL) &&
+ is_skl_dsp_widget_type(p->source)) {
+ source = p->source;
+ src_mconfig = source->priv;
+ sink_mconfig = sink->priv;
+ src_pipe_started = 1;
+
+ /*
+ * check pipe state, then no need to bind or start
+ * the pipe
+ */
+ if (src_mconfig->pipe->state != SKL_PIPE_STARTED)
+ src_pipe_started = 0;
+ }
+ }
+
+ if (src_pipe_started) {
+ ret = skl_bind_modules(ctx, src_mconfig, sink_mconfig);
+ if (ret)
+ return ret;
+
+ ret = skl_run_pipe(ctx, sink_mconfig->pipe);
+ }
+
+ return ret;
+}
+
+/*
+ * in the Pre-PMD event of mixer we need to do following:
+ * - Stop the pipe
+ * - find the source connections and remove that from dapm_path_list
+ * - unbind with source pipelines if still connected
+ */
+static int skl_tplg_mixer_dapm_pre_pmd_event(struct snd_soc_dapm_widget *w,
+ struct skl *skl)
+{
+ struct snd_soc_dapm_widget *source, *sink;
+ struct skl_module_cfg *src_mconfig, *sink_mconfig;
+ int ret = 0, path_found = 0;
+ struct skl_dapm_path_list *path_list, *tmp_list;
+ struct skl_sst *ctx = skl->skl_sst;
+
+ sink = w;
+ sink_mconfig = sink->priv;
+
+ /* Stop the pipe */
+ ret = skl_stop_pipe(ctx, sink_mconfig->pipe);
+ if (ret)
+ return ret;
+
+ /*
+ * This list, dapm_path_list handling here does not need any locks
+ * as we are under dapm lock while handling widget events.
+ * List can be manipulated safely only under dapm widgets handler
+ * routines
+ */
+ list_for_each_entry_safe(path_list, tmp_list,
+ &skl->dapm_path_list, node) {
+ if (path_list->dapm_path->sink == sink) {
+ dev_dbg(ctx->dev, "Path found = %s\n",
+ path_list->dapm_path->name);
+ source = path_list->dapm_path->source;
+ src_mconfig = source->priv;
+ path_found = 1;
+
+ list_del(&path_list->node);
+ kfree(path_list);
+ break;
+ }
+ }
+
+ /*
+ * If path_found == 1, that means pmd for source pipe has
+ * not occurred, source is connected to some other sink.
+ * so its responsibility of sink to unbind itself from source.
+ */
+ if (path_found) {
+ ret = skl_stop_pipe(ctx, src_mconfig->pipe);
+ if (ret < 0)
+ return ret;
+
+ ret = skl_unbind_modules(ctx, src_mconfig, sink_mconfig);
+ }
+
+ return ret;
+}
+
+/*
+ * in the Post-PMD event of mixer we need to do following:
+ * - Free the mcps used
+ * - Free the mem used
+ * - Unbind the modules within the pipeline
+ * - Delete the pipeline (modules are not required to be explicitly
+ * deleted, pipeline delete is enough here
+ */
+static int skl_tplg_mixer_dapm_post_pmd_event(struct snd_soc_dapm_widget *w,
+ struct skl *skl)
+{
+ struct skl_module_cfg *mconfig = w->priv;
+ struct skl_pipe_module *w_module;
+ struct skl_module_cfg *src_module = NULL, *dst_module;
+ struct skl_sst *ctx = skl->skl_sst;
+ struct skl_pipe *s_pipe = mconfig->pipe;
+ int ret = 0;
+
+ skl_tplg_free_pipe_mcps(skl, mconfig);
+
+ list_for_each_entry(w_module, &s_pipe->w_list, node) {
+ dst_module = w_module->w->priv;
+
+ if (src_module == NULL) {
+ src_module = dst_module;
+ continue;
+ }
+
+ ret = skl_unbind_modules(ctx, src_module, dst_module);
+ if (ret < 0)
+ return ret;
+
+ src_module = dst_module;
+ }
+
+ ret = skl_delete_pipe(ctx, mconfig->pipe);
+ skl_tplg_free_pipe_mem(skl, mconfig);
+
+ return ret;
+}
+
+/*
+ * in the Post-PMD event of PGA we need to do following:
+ * - Free the mcps used
+ * - Stop the pipeline
+ * - In source pipe is connected, unbind with source pipelines
+ */
+static int skl_tplg_pga_dapm_post_pmd_event(struct snd_soc_dapm_widget *w,
+ struct skl *skl)
+{
+ struct snd_soc_dapm_widget *source, *sink;
+ struct skl_module_cfg *src_mconfig, *sink_mconfig;
+ int ret = 0, path_found = 0;
+ struct skl_dapm_path_list *path_list, *tmp_path_list;
+ struct skl_sst *ctx = skl->skl_sst;
+
+ source = w;
+ src_mconfig = source->priv;
+
+ skl_tplg_free_pipe_mcps(skl, src_mconfig);
+ /* Stop the pipe since this is a mixin module */
+ ret = skl_stop_pipe(ctx, src_mconfig->pipe);
+ if (ret)
+ return ret;
+
+ list_for_each_entry_safe(path_list, tmp_path_list, &skl->dapm_path_list, node) {
+ if (path_list->dapm_path->source == source) {
+ dev_dbg(ctx->dev, "Path found = %s\n",
+ path_list->dapm_path->name);
+ sink = path_list->dapm_path->sink;
+ sink_mconfig = sink->priv;
+ path_found = 1;
+
+ list_del(&path_list->node);
+ kfree(path_list);
+ break;
+ }
+ }
+
+ /*
+ * This is a connector and if path is found that means
+ * unbind between source and sink has not happened yet
+ */
+ if (path_found) {
+ ret = skl_stop_pipe(ctx, src_mconfig->pipe);
+ if (ret < 0)
+ return ret;
+
+ ret = skl_unbind_modules(ctx, src_mconfig, sink_mconfig);
+ }
+
+ return ret;
+}
+
+/*
+ * In modelling, we assume there will be ONLY one mixer in a pipeline. If
+ * mixer is not required then it is treated as static mixer aka vmixer with
+ * a hard path to source module
+ * So we don't need to check if source is started or not as hard path puts
+ * dependency on each other
+ */
+static int skl_tplg_vmixer_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct skl *skl = get_skl_ctx(dapm->dev);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ return skl_tplg_mixer_dapm_pre_pmu_event(w, skl);
+
+ case SND_SOC_DAPM_POST_PMD:
+ return skl_tplg_mixer_dapm_post_pmd_event(w, skl);
+ }
+
+ return 0;
+}
+
+/*
+ * In modelling, we assume there will be ONLY one mixer in a pipeline. If a
+ * second one is required that is created as another pipe entity.
+ * The mixer is responsible for pipe management and represent a pipeline
+ * instance
+ */
+static int skl_tplg_mixer_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct skl *skl = get_skl_ctx(dapm->dev);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ return skl_tplg_mixer_dapm_pre_pmu_event(w, skl);
+
+ case SND_SOC_DAPM_POST_PMU:
+ return skl_tplg_mixer_dapm_post_pmu_event(w, skl);
+
+ case SND_SOC_DAPM_PRE_PMD:
+ return skl_tplg_mixer_dapm_pre_pmd_event(w, skl);
+
+ case SND_SOC_DAPM_POST_PMD:
+ return skl_tplg_mixer_dapm_post_pmd_event(w, skl);
+ }
+
+ return 0;
+}
+
+/*
+ * In modelling, we assumed rest of the modules in pipeline are PGA. But we
+ * are interested in last PGA (leaf PGA) in a pipeline to disconnect with
+ * the sink when it is running (two FE to one BE or one FE to two BE)
+ * scenarios
+ */
+static int skl_tplg_pga_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+
+{
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct skl *skl = get_skl_ctx(dapm->dev);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ return skl_tplg_pga_dapm_pre_pmu_event(w, skl);
+
+ case SND_SOC_DAPM_POST_PMD:
+ return skl_tplg_pga_dapm_post_pmd_event(w, skl);
+ }
+
+ return 0;
+}
+
+/*
+ * The FE params are passed by hw_params of the DAI.
+ * On hw_params, the params are stored in Gateway module of the FE and we
+ * need to calculate the format in DSP module configuration, that
+ * conversion is done here
+ */
+int skl_tplg_update_pipe_params(struct device *dev,
+ struct skl_module_cfg *mconfig,
+ struct skl_pipe_params *params)
+{
+ struct skl_pipe *pipe = mconfig->pipe;
+ struct skl_module_fmt *format = NULL;
+
+ memcpy(pipe->p_params, params, sizeof(*params));
+
+ if (params->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ format = &mconfig->in_fmt;
+ else
+ format = &mconfig->out_fmt;
+
+ /* set the hw_params */
+ format->s_freq = params->s_freq;
+ format->channels = params->ch;
+ format->valid_bit_depth = skl_get_bit_depth(params->s_fmt);
+
+ /*
+ * 16 bit is 16 bit container whereas 24 bit is in 32 bit
+ * container so update bit depth accordingly
+ */
+ switch (format->valid_bit_depth) {
+ case SKL_DEPTH_16BIT:
+ format->bit_depth = format->valid_bit_depth;
+ break;
+
+ case SKL_DEPTH_24BIT:
+ format->bit_depth = SKL_DEPTH_32BIT;
+ break;
+
+ default:
+ dev_err(dev, "Invalid bit depth %x for pipe\n",
+ format->valid_bit_depth);
+ return -EINVAL;
+ }
+
+ if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ mconfig->ibs = (format->s_freq / 1000) *
+ (format->channels) *
+ (format->bit_depth >> 3);
+ } else {
+ mconfig->obs = (format->s_freq / 1000) *
+ (format->channels) *
+ (format->bit_depth >> 3);
+ }
+
+ return 0;
+}
+
+/*
+ * Query the module config for the FE DAI
+ * This is used to find the hw_params set for that DAI and apply to FE
+ * pipeline
+ */
+struct skl_module_cfg *
+skl_tplg_fe_get_cpr_module(struct snd_soc_dai *dai, int stream)
+{
+ struct snd_soc_dapm_widget *w;
+ struct snd_soc_dapm_path *p = NULL;
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ w = dai->playback_widget;
+ snd_soc_dapm_widget_for_each_sink_path(w, p) {
+ if (p->connect && p->sink->power &&
+ is_skl_dsp_widget_type(p->sink))
+ continue;
+
+ if (p->sink->priv) {
+ dev_dbg(dai->dev, "set params for %s\n",
+ p->sink->name);
+ return p->sink->priv;
+ }
+ }
+ } else {
+ w = dai->capture_widget;
+ snd_soc_dapm_widget_for_each_source_path(w, p) {
+ if (p->connect && p->source->power &&
+ is_skl_dsp_widget_type(p->source))
+ continue;
+
+ if (p->source->priv) {
+ dev_dbg(dai->dev, "set params for %s\n",
+ p->source->name);
+ return p->source->priv;
+ }
+ }
+ }
+
+ return NULL;
+}
+
+static u8 skl_tplg_be_link_type(int dev_type)
+{
+ int ret;
+
+ switch (dev_type) {
+ case SKL_DEVICE_BT:
+ ret = NHLT_LINK_SSP;
+ break;
+
+ case SKL_DEVICE_DMIC:
+ ret = NHLT_LINK_DMIC;
+ break;
+
+ case SKL_DEVICE_I2S:
+ ret = NHLT_LINK_SSP;
+ break;
+
+ case SKL_DEVICE_HDALINK:
+ ret = NHLT_LINK_HDA;
+ break;
+
+ default:
+ ret = NHLT_LINK_INVALID;
+ break;
+ }
+
+ return ret;
+}
+
+/*
+ * Fill the BE gateway parameters
+ * The BE gateway expects a blob of parameters which are kept in the ACPI
+ * NHLT blob, so query the blob for interface type (i2s/pdm) and instance.
+ * The port can have multiple settings so pick based on the PCM
+ * parameters
+ */
+static int skl_tplg_be_fill_pipe_params(struct snd_soc_dai *dai,
+ struct skl_module_cfg *mconfig,
+ struct skl_pipe_params *params)
+{
+ struct skl_pipe *pipe = mconfig->pipe;
+ struct nhlt_specific_cfg *cfg;
+ struct skl *skl = get_skl_ctx(dai->dev);
+ int link_type = skl_tplg_be_link_type(mconfig->dev_type);
+
+ memcpy(pipe->p_params, params, sizeof(*params));
+
+ /* update the blob based on virtual bus_id*/
+ cfg = skl_get_ep_blob(skl, mconfig->vbus_id, link_type,
+ params->s_fmt, params->ch,
+ params->s_freq, params->stream);
+ if (cfg) {
+ mconfig->formats_config.caps_size = cfg->size;
+ mconfig->formats_config.caps = (u32 *) &cfg->caps;
+ } else {
+ dev_err(dai->dev, "Blob NULL for id %x type %d dirn %d\n",
+ mconfig->vbus_id, link_type,
+ params->stream);
+ dev_err(dai->dev, "PCM: ch %d, freq %d, fmt %d\n",
+ params->ch, params->s_freq, params->s_fmt);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int skl_tplg_be_set_src_pipe_params(struct snd_soc_dai *dai,
+ struct snd_soc_dapm_widget *w,
+ struct skl_pipe_params *params)
+{
+ struct snd_soc_dapm_path *p;
+ int ret = -EIO;
+
+ snd_soc_dapm_widget_for_each_source_path(w, p) {
+ if (p->connect && is_skl_dsp_widget_type(p->source) &&
+ p->source->priv) {
+
+ if (!p->source->power) {
+ ret = skl_tplg_be_fill_pipe_params(
+ dai, p->source->priv,
+ params);
+ if (ret < 0)
+ return ret;
+ } else {
+ return -EBUSY;
+ }
+ } else {
+ ret = skl_tplg_be_set_src_pipe_params(
+ dai, p->source, params);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ return ret;
+}
+
+static int skl_tplg_be_set_sink_pipe_params(struct snd_soc_dai *dai,
+ struct snd_soc_dapm_widget *w, struct skl_pipe_params *params)
+{
+ struct snd_soc_dapm_path *p = NULL;
+ int ret = -EIO;
+
+ snd_soc_dapm_widget_for_each_sink_path(w, p) {
+ if (p->connect && is_skl_dsp_widget_type(p->sink) &&
+ p->sink->priv) {
+
+ if (!p->sink->power) {
+ ret = skl_tplg_be_fill_pipe_params(
+ dai, p->sink->priv, params);
+ if (ret < 0)
+ return ret;
+ } else {
+ return -EBUSY;
+ }
+
+ } else {
+ ret = skl_tplg_be_set_sink_pipe_params(
+ dai, p->sink, params);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ return ret;
+}
+
+/*
+ * BE hw_params can be a source parameters (capture) or sink parameters
+ * (playback). Based on sink and source we need to either find the source
+ * list or the sink list and set the pipeline parameters
+ */
+int skl_tplg_be_update_params(struct snd_soc_dai *dai,
+ struct skl_pipe_params *params)
+{
+ struct snd_soc_dapm_widget *w;
+
+ if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ w = dai->playback_widget;
+
+ return skl_tplg_be_set_src_pipe_params(dai, w, params);
+
+ } else {
+ w = dai->capture_widget;
+
+ return skl_tplg_be_set_sink_pipe_params(dai, w, params);
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_tplg_widget_events skl_tplg_widget_ops[] = {
+ {SKL_MIXER_EVENT, skl_tplg_mixer_event},
+ {SKL_VMIXER_EVENT, skl_tplg_vmixer_event},
+ {SKL_PGA_EVENT, skl_tplg_pga_event},
+};
+
+/*
+ * The topology binary passes the pin info for a module so initialize the pin
+ * info passed into module instance
+ */
+static void skl_fill_module_pin_info(struct skl_dfw_module_pin *dfw_pin,
+ struct skl_module_pin *m_pin,
+ bool is_dynamic, int max_pin)
+{
+ int i;
+
+ for (i = 0; i < max_pin; i++) {
+ m_pin[i].id.module_id = dfw_pin[i].module_id;
+ m_pin[i].id.instance_id = dfw_pin[i].instance_id;
+ m_pin[i].in_use = false;
+ m_pin[i].is_dynamic = is_dynamic;
+ }
+}
+
+/*
+ * Add pipeline from topology binary into driver pipeline list
+ *
+ * If already added we return that instance
+ * Otherwise we create a new instance and add into driver list
+ */
+static struct skl_pipe *skl_tplg_add_pipe(struct device *dev,
+ struct skl *skl, struct skl_dfw_pipe *dfw_pipe)
+{
+ struct skl_pipeline *ppl;
+ struct skl_pipe *pipe;
+ struct skl_pipe_params *params;
+
+ list_for_each_entry(ppl, &skl->ppl_list, node) {
+ if (ppl->pipe->ppl_id == dfw_pipe->pipe_id)
+ return ppl->pipe;
+ }
+
+ ppl = devm_kzalloc(dev, sizeof(*ppl), GFP_KERNEL);
+ if (!ppl)
+ return NULL;
+
+ pipe = devm_kzalloc(dev, sizeof(*pipe), GFP_KERNEL);
+ if (!pipe)
+ return NULL;
+
+ params = devm_kzalloc(dev, sizeof(*params), GFP_KERNEL);
+ if (!params)
+ return NULL;
+
+ pipe->ppl_id = dfw_pipe->pipe_id;
+ pipe->memory_pages = dfw_pipe->memory_pages;
+ pipe->pipe_priority = dfw_pipe->pipe_priority;
+ pipe->conn_type = dfw_pipe->conn_type;
+ pipe->state = SKL_PIPE_INVALID;
+ pipe->p_params = params;
+ INIT_LIST_HEAD(&pipe->w_list);
+
+ ppl->pipe = pipe;
+ list_add(&ppl->node, &skl->ppl_list);
+
+ return ppl->pipe;
+}
+
+/*
+ * Topology core widget load callback
+ *
+ * This is used to save the private data for each widget which gives
+ * information to the driver about module and pipeline parameters which DSP
+ * FW expects like ids, resource values, formats etc
+ */
+static int skl_tplg_widget_load(struct snd_soc_component *cmpnt,
+ struct snd_soc_dapm_widget *w,
+ struct snd_soc_tplg_dapm_widget *tplg_w)
+{
+ int ret;
+ struct hdac_ext_bus *ebus = snd_soc_component_get_drvdata(cmpnt);
+ struct skl *skl = ebus_to_skl(ebus);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct skl_module_cfg *mconfig;
+ struct skl_pipe *pipe;
+ struct skl_dfw_module *dfw_config =
+ (struct skl_dfw_module *)tplg_w->priv.data;
+
+ if (!tplg_w->priv.size)
+ goto bind_event;
+
+ mconfig = devm_kzalloc(bus->dev, sizeof(*mconfig), GFP_KERNEL);
+
+ if (!mconfig)
+ return -ENOMEM;
+
+ w->priv = mconfig;
+ mconfig->id.module_id = dfw_config->module_id;
+ mconfig->id.instance_id = dfw_config->instance_id;
+ mconfig->mcps = dfw_config->max_mcps;
+ mconfig->ibs = dfw_config->ibs;
+ mconfig->obs = dfw_config->obs;
+ mconfig->core_id = dfw_config->core_id;
+ mconfig->max_in_queue = dfw_config->max_in_queue;
+ mconfig->max_out_queue = dfw_config->max_out_queue;
+ mconfig->is_loadable = dfw_config->is_loadable;
+ mconfig->in_fmt.channels = dfw_config->in_fmt.channels;
+ mconfig->in_fmt.s_freq = dfw_config->in_fmt.freq;
+ mconfig->in_fmt.bit_depth = dfw_config->in_fmt.bit_depth;
+ mconfig->in_fmt.valid_bit_depth =
+ dfw_config->in_fmt.valid_bit_depth;
+ mconfig->in_fmt.ch_cfg = dfw_config->in_fmt.ch_cfg;
+ mconfig->out_fmt.channels = dfw_config->out_fmt.channels;
+ mconfig->out_fmt.s_freq = dfw_config->out_fmt.freq;
+ mconfig->out_fmt.bit_depth = dfw_config->out_fmt.bit_depth;
+ mconfig->out_fmt.valid_bit_depth =
+ dfw_config->out_fmt.valid_bit_depth;
+ mconfig->out_fmt.ch_cfg = dfw_config->out_fmt.ch_cfg;
+ mconfig->params_fixup = dfw_config->params_fixup;
+ mconfig->converter = dfw_config->converter;
+ mconfig->m_type = dfw_config->module_type;
+ mconfig->vbus_id = dfw_config->vbus_id;
+
+ pipe = skl_tplg_add_pipe(bus->dev, skl, &dfw_config->pipe);
+ if (pipe)
+ mconfig->pipe = pipe;
+
+ mconfig->dev_type = dfw_config->dev_type;
+ mconfig->hw_conn_type = dfw_config->hw_conn_type;
+ mconfig->time_slot = dfw_config->time_slot;
+ mconfig->formats_config.caps_size = dfw_config->caps.caps_size;
+
+ mconfig->m_in_pin = devm_kzalloc(bus->dev,
+ (mconfig->max_in_queue) *
+ sizeof(*mconfig->m_in_pin),
+ GFP_KERNEL);
+ if (!mconfig->m_in_pin)
+ return -ENOMEM;
+
+ mconfig->m_out_pin = devm_kzalloc(bus->dev, (mconfig->max_out_queue) *
+ sizeof(*mconfig->m_out_pin),
+ GFP_KERNEL);
+ if (!mconfig->m_out_pin)
+ return -ENOMEM;
+
+ skl_fill_module_pin_info(dfw_config->in_pin, mconfig->m_in_pin,
+ dfw_config->is_dynamic_in_pin,
+ mconfig->max_in_queue);
+
+ skl_fill_module_pin_info(dfw_config->out_pin, mconfig->m_out_pin,
+ dfw_config->is_dynamic_out_pin,
+ mconfig->max_out_queue);
+
+
+ if (mconfig->formats_config.caps_size == 0)
+ goto bind_event;
+
+ mconfig->formats_config.caps = (u32 *)devm_kzalloc(bus->dev,
+ mconfig->formats_config.caps_size, GFP_KERNEL);
+
+ if (mconfig->formats_config.caps == NULL)
+ return -ENOMEM;
+
+ memcpy(mconfig->formats_config.caps, dfw_config->caps.caps,
+ dfw_config->caps.caps_size);
+
+bind_event:
+ if (tplg_w->event_type == 0) {
+ dev_dbg(bus->dev, "ASoC: No event handler required\n");
+ return 0;
+ }
+
+ ret = snd_soc_tplg_widget_bind_event(w, skl_tplg_widget_ops,
+ ARRAY_SIZE(skl_tplg_widget_ops),
+ tplg_w->event_type);
+
+ if (ret) {
+ dev_err(bus->dev, "%s: No matching event handlers found for %d\n",
+ __func__, tplg_w->event_type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct snd_soc_tplg_ops skl_tplg_ops = {
+ .widget_load = skl_tplg_widget_load,
+};
+
+/* This will be read from topology manifest, currently defined here */
+#define SKL_MAX_MCPS 30000000
+#define SKL_FW_MAX_MEM 1000000
+
+/*
+ * SKL topology init routine
+ */
+int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus)
+{
+ int ret;
+ const struct firmware *fw;
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct skl *skl = ebus_to_skl(ebus);
+
+ ret = request_firmware(&fw, "dfw_sst.bin", bus->dev);
+ if (ret < 0) {
+ dev_err(bus->dev, "tplg fw %s load failed with %d\n",
+ "dfw_sst.bin", ret);
+ return ret;
+ }
+
+ /*
+ * The complete tplg for SKL is loaded as index 0, we don't use
+ * any other index
+ */
+ ret = snd_soc_tplg_component_load(&platform->component,
+ &skl_tplg_ops, fw, 0);
+ if (ret < 0) {
+ dev_err(bus->dev, "tplg component load failed%d\n", ret);
+ return -EINVAL;
+ }
+
+ skl->resource.max_mcps = SKL_MAX_MCPS;
+ skl->resource.max_mem = SKL_FW_MAX_MEM;
+
+ return 0;
+}
projects / cascardo / linux.git / commitdiff